Suppressions

Addresses that must not be sent to.

Addresses PostShiba won't send to. Hard bounces, spam reports, and unsubscribes add one automatically. You can also add one, import many, remove one, or bulk delete by address or reason. When you move from another provider, import its bounce, complaint, and unsubscribe lists before your first send.

GET /api/v1/teams/:obfuscated_team_id/suppressions

List suppressions as id-ascending pages. Default 100, max 1000. Next page is after the last id.

after: Return rows with id greater than this. Omit for the first page.
limit: Page size. Default 100. Max 1000.
email: Case-insensitive exact address. Plus tags collapse to the stripped address.

request.sh

1curl -sS -X GET \ 2 -H 'Authorization: Bearer YOUR_API_KEY' \ 3 https://app.postshiba.com/api/v1/teams/KjkAJW/suppressions

response.json

1[ 2 { 3 "id": "YtReWq", 4 "email": "blocked@example.com", 5 "reason": "manual", 6 "tenant_id": "WbLcFd", 7 "tenant": "default", 8 "created_at": "2026-08-30T00:00:00Z" 9 } 10]

POST /api/v1/teams/:obfuscated_team_id/suppressions

Add an address. Optional tenant_id. Defaults to the team's default tenant. Reason is always manual.

request.sh

1curl -sS -X POST \ 2 -H 'Authorization: Bearer YOUR_API_KEY' \ 3 -H 'Content-Type: application/json' \ 4 -d '{"suppression":{"email":"blocked@example.com","tenant_id":"WbLcFd"}}' \ 5 https://app.postshiba.com/api/v1/teams/KjkAJW/suppressions

response.json

1{ 2 "id": "YtReWq", 3 "email": "blocked@example.com", 4 "reason": "manual", 5 "tenant_id": "WbLcFd", 6 "tenant": "default", 7 "created_at": "2026-08-30T00:00:00Z" 8}

POST /api/v1/teams/:obfuscated_team_id/suppressions/import

Add many addresses. Optional tenant_id defaults to the team's default tenant. Reason is always manual. Existing rows are skipped. Max 10,000 addresses. A CSV file is also accepted (column email, address, or recipient, or one address per line).

request.sh

1curl -sS -X POST \ 2 -H 'Authorization: Bearer YOUR_API_KEY' \ 3 -H 'Content-Type: application/json' \ 4 -d '{"emails":["blocked@example.com","old@example.com"],"tenant_id":"WbLcFd"}' \ 5 https://app.postshiba.com/api/v1/teams/KjkAJW/suppressions/import

response.json

1{ 2 "imported": 2, 3 "existing": 0, 4 "invalid": 0 5}

POST /api/v1/teams/:obfuscated_team_id/suppressions/bulk_delete

Remove matching addresses. At least emails or reason is required. Optional tenant_id limits to that tenant; omit it for every tenant. Optional before is an ISO time and keeps newer rows. Max 10,000 addresses in emails and 10,000 rows deleted per call. more is true when matching rows remain.

request.sh

1curl -sS -X POST \ 2 -H 'Authorization: Bearer YOUR_API_KEY' \ 3 -H 'Content-Type: application/json' \ 4 -d '{"emails":["blocked@example.com","old@example.com"],"reason":"bounce","tenant_id":"WbLcFd","before":"2026-02-01T00:00:00Z"}' \ 5 https://app.postshiba.com/api/v1/teams/KjkAJW/suppressions/bulk_delete

response.json

1{ 2 "deleted": 2, 3 "more": false 4}

DELETE /api/v1/suppressions/:id

Remove an address from the list.

id: Public suppression id

request.sh

1curl -sS -X DELETE \ 2 -H 'Authorization: Bearer YOUR_API_KEY' \ 3 https://app.postshiba.com/api/v1/suppressions/:suppression_id